Sludge concentration system and process which have functions for automatically charging a coagulant and for automatically controlling the concentration of a sludge

Details for Australian Patent Application No. 2004228573 (hide)

Owner Hong, S.

Inventors Hong, Sang Hun

Agent Collison & Co

Pub. Number AU-A-2004228573

PCT Pub. Number WO2004/089834

Priority 10-2003-0022839 11.04.03 KR; 10-2004-0012976 26.02.04 KR

Filing date 30 March 2004

Wipo publication date 21 October 2004

International Classifications

C02F 001/52 Treatment of water, waste water, or sewage - by flocculation or precipitation of suspended impurities

Event Publications

3 November 2005 PCT application entered the National Phase

  PCT publication WO2004/089834 Priority application(s): WO2004/089834

1 November 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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